phycoxanthinn.

Brit.

/ˌfʌɪkə(ʊ)ˈzanθɪn/, U.S.

/ˌfaɪkəˈzænθ(ə)n/

Forms: 1800s phycoxanthine, 1800s– phycoxanthin.

Origin: A borrowing from Greek, combined with English elements; modelled on a German lexical item. Etymons: phyco- comb. form, Greek ξανθός , -in suffix¹.

Etymology: < phyco- comb. form + ancient Greek ξανθός yellow (see xantho- comb. form) + -in suffix¹, after German Phycoxanthin ( C. Nägeli Gattung einzelliger Algen (1849) 7). Compare xanthin n.

Biochemistry. Now rare.

A yellow-brown colouring matter present in various algae, esp. in diatoms and brown algae.

ΘΚΠ

the world > life > biology > substance > pigment > [noun] > plant pigments > yellow

quercitrin1833

anthoxanthin1836

xanthein1857

xanthin1857

phycoxanthin1873

phytochrome1893

zeaxanthin1929

violaxanthin1931

xanthophyll1931

the world > matter > colour > named colours > yellow or yellowness > colouring matter > [noun] > of natural bodies

polychroite1815

quercitrin1833

anthoxanthin1836

xanthophyll1838

xanthein1857

xanthin1857

phylloxanthin1858

safranine1868

phycoxanthin1873

ooxanthine1875

phytochrome1893

1873 H. C. Sorby in Proc. Royal Soc. 21 457 Phycoxanthine. This name was first proposed by Kraus for a substance he obtained from Oscillatoriæ.

1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 216 The peculiar bluish- or brownish-green colour which the Nostocaceæ share with the Chroococcaceæ, is caused by a mixture of true chlorophyll with phycoxanthine and phycocyanine.

1896 Bot. Gaz. 22 66 The close similarity of the yellow coloring matters, xanthophyll, chrysophyll, etiolin, phycoxanthin, etc., and their relation to carotin.

1928 Q. Rev. Biol. 3 460/2 All the plant and animal coloring matters which had previously been known as etiolin, chlorophyll yellow, xanthin, anthoxanthin, lutein, xanthophyll.., phycoxanthin.., and tetronerythrin. These..are a more or less indefinite group of pigments, which may be classified just as well..by the older term lipochrome.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	phycoxanthin
释义	phycoxanthinn. Brit. /ˌfʌɪkə(ʊ)ˈzanθɪn/, U.S. /ˌfaɪkəˈzænθ(ə)n/ Forms: 1800s phycoxanthine, 1800s– phycoxanthin. Origin: A borrowing from Greek, combined with English elements; modelled on a German lexical item. Etymons: phyco- comb. form, Greek ξανθός , -in suffix¹. Etymology: < phyco- comb. form + ancient Greek ξανθός yellow (see xantho- comb. form) + -in suffix¹, after German Phycoxanthin ( C. Nägeli Gattung einzelliger Algen (1849) 7). Compare xanthin n. Biochemistry. Now rare. A yellow-brown colouring matter present in various algae, esp. in diatoms and brown algae. ΘΚΠ the world > life > biology > substance > pigment > [noun] > plant pigments > yellow quercitrin1833 anthoxanthin1836 xanthein1857 xanthin1857 phycoxanthin1873 phytochrome1893 zeaxanthin1929 violaxanthin1931 xanthophyll1931 the world > matter > colour > named colours > yellow or yellowness > colouring matter > [noun] > of natural bodies polychroite1815 quercitrin1833 anthoxanthin1836 xanthophyll1838 xanthein1857 xanthin1857 phylloxanthin1858 safranine1868 phycoxanthin1873 ooxanthine1875 phytochrome1893 1873 H. C. Sorby in Proc. Royal Soc. 21 457 Phycoxanthine. This name was first proposed by Kraus for a substance he obtained from Oscillatoriæ. 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 216 The peculiar bluish- or brownish-green colour which the Nostocaceæ share with the Chroococcaceæ, is caused by a mixture of true chlorophyll with phycoxanthine and phycocyanine. 1896 Bot. Gaz. 22 66 The close similarity of the yellow coloring matters, xanthophyll, chrysophyll, etiolin, phycoxanthin, etc., and their relation to carotin. 1928 Q. Rev. Biol. 3 460/2 All the plant and animal coloring matters which had previously been known as etiolin, chlorophyll yellow, xanthin, anthoxanthin, lutein, xanthophyll.., phycoxanthin.., and tetronerythrin. These..are a more or less indefinite group of pigments, which may be classified just as well..by the older term lipochrome. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1873
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